Definition of Eosuchia
: an order of Reptilia comprising primitive extinct 2-arched reptiles (subclass Lepidosauria) from the Upper Permian that are sometimes considered ancestral to modern lizards and snakes
eosuchianadjective or noun
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Origin and Etymology of eosuchia
New Latin, from eo- + Greek souchos, a kind of crocodile + New Latin -ia
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